Home / 142,682.94-196,906.89-79,026.66

Finding the Fourth Proportional to 142,682.94, 196,906.89 and 79,026.66

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Solution

The fourth proportional to 142,682.94, 196,906.89 and 79,026.66 is: 109,059.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,682.94 : 196,906.89 = 79,026.66 : x
  2. Step 2: Convert to fraction form
    142,682.94/196,906.89 = 79,026.66/x
  3. Step 3: Cross multiply
    142,682.94x = 196,906.89 × 79,026.66
  4. Step 4: Simplify right side
    142,682.94x = 15,560,893,847.69
  5. Step 5: Solve for x
    x = 15,560,893,847.69/142,682.94
  6. Step 6: Final answer
    x = 109,059.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.